What are the hours of operation for BIG TIME? March 26, 2021 15:34 Updated BIG TIME is open from 9:30 a.m. to 5:00 p.m. daily. The last entrance time to the exhibit is 4:00 p.m. Related articles Where is BIG TIME located in the Zoo? Are there animal exhibits at BIG TIME? What will I see at BIG TIME? How much are tickets for BIG TIME? What if I can't find my BIG TIME tickets? Comments 0 comments Article is closed for comments.